Portable door alarm lock



FIG. 1 is a perspective view of a portable door alarm lock showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side view thereof, the right side view being a mirror image of FIG. 5 ;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the figures are for the purposes of illustrating portions of the portable door alarm lock, which form no part of the claimed design. 

CLAIM The ornamental design for a portable door alarm lock, as shown and described. 